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!1916 fix(#I4COQ4): ValidateForm SetError method support UnaryExpression

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* fix: 自定义设置错误支持 UnaryExpression
This commit is contained in:
Argo 2021-10-04 12:28:45 +00:00
parent 4a92f96e62
commit cbe5746501
1 changed files with 18 additions and 9 deletions
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27
src/BootstrapBlazor/Components/ValidateForm/ValidateForm.razor.cs
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@ -110,19 +110,28 @@ namespace BootstrapBlazor.Components
/// <param name="errorMessage">错误描述信息，可为空，为空时查找资源文件</param>
public void SetError<TModel>(Expression<Func<TModel, object?>> expression, string errorMessage)
{
if (expression.Body is MemberExpression exp)
if (expression.Body is UnaryExpression unary && unary.Operand is MemberExpression mem)
{
var fieldName = exp.Member.Name;
var modelType = exp.Expression?.Type;
var validator = ValidatorCache.FirstOrDefault(c => c.Key.ModelType == modelType && c.Key.FieldName == fieldName).Value.ValidateComponent;
if (validator != null)
{
var results = new List<ValidationResult>
InternalSetError(mem, errorMessage);
}
else if (expression.Body is MemberExpression exp)
{
InternalSetError(exp, errorMessage);
}
}
private void InternalSetError(MemberExpression exp, string errorMessage)
{
var fieldName = exp.Member.Name;
var modelType = exp.Expression?.Type;
var validator = ValidatorCache.FirstOrDefault(c => c.Key.ModelType == modelType && c.Key.FieldName == fieldName).Value.ValidateComponent;
if (validator != null)
{
var results = new List<ValidationResult>
{
new ValidationResult(errorMessage, new string[] { fieldName })
};
validator.ToggleMessage(results, true);
}
validator.ToggleMessage(results, true);
}
}